Aren/NetBSD
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Use CMSG_SPACE() for buffer when receiving file descriptors.

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Doesn't break i386 and might be better for sparc64.
This commit is contained in:
pooka 2009-12-19 16:01:25 +00:00
parent eb2ef0c632
commit 0f5249be8d
1 changed files with 4 additions and 4 deletions
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8
sbin/mount_portal/puffs_portal.c
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@ -1,4 +1,4 @@
/* $NetBSD: puffs_portal.c,v 1.2 2009/12/05 20:29:19 pooka Exp $ */
/* $NetBSD: puffs_portal.c,v 1.3 2009/12/19 16:01:25 pooka Exp $ */
/*
* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
@ -28,7 +28,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: puffs_portal.c,v 1.2 2009/12/05 20:29:19 pooka Exp $");
__RCSID("$NetBSD: puffs_portal.c,v 1.3 2009/12/19 16:01:25 pooka Exp $");
#endif /* !lint */
#include <sys/types.h>
@ -118,7 +118,7 @@ readfd(struct puffs_framebuf *pufbuf, int fd, int *done)
int error, rv;
rv = 0;
cmp = emalloc(CMSG_LEN(sizeof(int)));
cmp = emalloc(CMSG_SPACE(sizeof(int)));
iov.iov_base = &error;
iov.iov_len = sizeof(int);
@ -127,7 +127,7 @@ readfd(struct puffs_framebuf *pufbuf, int fd, int *done)
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_control = cmp;
msg.msg_controllen = CMSG_LEN(sizeof(int));
msg.msg_controllen = CMSG_SPACE(sizeof(int));
n = recvmsg(fd, &msg, 0);
if (n == -1) {